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Silver 3.5 inch internal hard drive with SATA connectors and circuit board visible

Seagate

Seagate BarraCuda ST2000DM005 2TB 5400 RPM 256MB SATA 3.5" internal hard drive

SKU CH-94AK-Y6RQY MPN ST2000DM005

A 2 TB 3.5" SATA desktop hard drive spinning at 5400 RPM with 256 MB cache for everyday computing

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed5,400 RPM
  • Cache memory256 MB
  • Max height20.2 mm
  • 2TB capacity stores large media libraries and backups
  • 256MB cache accelerates frequent file access
  • 5400 RPM spindle reduces power draw and noise
  • SATA 6.0Gb/s interface enables fast burst transfers
  • 5-inch form factor fits standard desktop drive bays

2 TB SATA drive for everyday computing

The Seagate BarraCuda ST2000DM005 provides 2 TB of storage on a 3.5 inch form factor with a SATA 6.0Gb/s interface. It spins at 5400 RPM and includes a 256 MB cache to handle daily computing workloads. The drive suits desktop builders who need reliable capacity for documents, media and backups.

Thermals noise and power in normal use

Advanced power modes reduce energy draw during idle periods without sacrificing responsiveness. The 5400 RPM spindle speed keeps operating noise low compared to faster drives. Standard 3.5 inch dimensions of 20.20 mm height, 101.85 mm width and 146.99 mm length fit typical desktop bays.

What the bundle changes

Retail or OEM packing may vary, so the drive may arrive without cables, mounting screws or software utilities. Buyers who need a SATA data cable, a power adapter or cloning software must source those separately. The drive itself is ready for installation in any compatible 3.5 inch bay.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $53.99
Cheaper than about 75% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $27.00 per TB
Cheaper than about 86% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda
Model nameST2000DM005
Total capacity2 TB
Recommended useFor Daily Computing
Performance
Rotational speed5,400 RPM
Storage
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height20.2 mm
Maximum width101.85 mm
Maximum length146.99 mm
Shipping weight0.68 kg
Package size178 × 127 × 25 mm

Questions about this item

How do I install the 3.5" SATA drive and what step do people often miss?

Mount the 146.99mm × 101.85mm × 20.20mm drive in a 3.5" bay, connect the SATA 6.0Gb/s data cable and the SATA power cable, then initialise the 2TB volume in Disk Management — the step many skip.

What maintenance or replacement will the ST2000DM005 need later?

No routine maintenance is required; plan to replace the 5400 RPM drive if SMART attributes report reallocated sectors or if the 256MB cache can no longer mask latency during daily computing workloads.

What limit appears first under sustained use on this 5400 RPM model?

The 5400 RPM spindle speed caps sustained throughput before the SATA 6.0Gb/s interface or the 256MB cache become bottlenecks during long write sequences.

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